Patent US5601533A successfully refreshed from Google Patents.
Patent US3467142A successfully refreshed from Google Patents.
US3467142A
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Flow device and method of manufacture thereof
Assignee: EIDP Inc
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Filing: 1967-08-08
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Granted: 1969-09-16
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Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 Donn George Boyle
- 👤 Robert Otto Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; A; A01; A01G; A01G25/00; A01G25/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C66/70; B29C66/71; B29L; B29L2023/00; B29L2023/005; B29L2023/22; B29L2031/00; B29L2031/60; B29L2031/601
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |